101548987 has 2 divisors, whose sum is σ = 101548988. Its totient is φ = 101548986.

The previous prime is 101548961. The next prime is 101548991. The reversal of 101548987 is 789845101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101548987 - 2¹⁹ = 101024699 is a prime.

It is not a weakly prime, because it can be changed into another prime (101548927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50774493 + 50774494.

It is an arithmetic number, because the mean of its divisors is an integer number (50774494).

Almost surely, 2^101548987 is an apocalyptic number.

101548987 is a deficient number, since it is larger than the sum of its proper divisors (1).

101548987 is an equidigital number, since it uses as much as digits as its factorization.

101548987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 43.

The square root of 101548987 is about 10077.1517305239. The cubic root of 101548987 is about 466.5432014082.

The spelling of 101548987 in words is "one hundred one million, five hundred forty-eight thousand, nine hundred eighty-seven".